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javascript dom traversing

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Mohammad alshraideh answered on July 25, 2022 Popularity 9/10 Helpfulness 1/10

answer javascript dom traversing

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javascript dom traversing

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1.getElementById()
 <div id="user">Get Element by ID</div>
 const userId = document.getElementById(user)
 console.log(userId)

/* Output
<div id="user">Get Element by ID</div>*/

<!-------->
2.getElementsByClassName() 

<div class="user">Get Element by Class Name (1)</div>
const userClass = document.getElementsByClassName('user')
The getElementsByClassName() returns an array-like object of the elements.
We can convert the array-like object to an actual JavaScript array with the Array.from()
method or the spread operator.
/* With the Spread Operator */
const userClass = [...document.getElementsByClassName('user')]

Popularity 9/10 Helpfulness 1/10 Language javascript

Source: Grepper

Tags: dom javascript

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Contributed on Sep 01 2022

Mohammad alshraideh

0 Answers Avg Quality 2/10

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traversing the dom javascript

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// Traversing downwards
element.querySelector()
element.querySelectorAll()
element.children()
// Traversing upwards
element.parentElement()
element.closest()
// Traversing sideways
element.nextElementSibling()
element.previousElementSibling()

Popularity 7/10 Helpfulness 3/10 Language javascript

Source: zellwk.com

Tags: dom javascript java

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Contributed on Sep 12 2023

Bek Consulting

0 Answers Avg Quality 2/10

dom traversal

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//DOM Traversal
//Traversing DOM
.childNodes // Will return a node List of all the child

.children // Can be used to select all the children in an Element

.firstChild & .firstChildElement //Select First Child of an Element

.parentnode / .parentElement // Select The parent of an Element

.nextSibling / .nextElementSibling && previousSibling / previousElementSibling //Siblings

document.createElement /*Create a new Element E.g("p", "div")*/let child = document.createElement("div");

.appendChild() /*Append(Add) add an element to dom. E.g(^^*/document.body.append(child)

.className//you can '.add' '.remove' .toggle' class to an Element
  
.id //Add id to an Element

.createTextNode()//Create text

.replaceChild //Replace the child Element with Another

.removeChild() //Remove the Child

.get / .set Attribute

HTML Collection

.nodeType //Returns an integer that specifies the type of the node
/*
Example
1.  Element
2.  Attribute
3.  Text
4.  CDATASection
5.  EntityReference
6.  Entity
7.  ProcessingInstruction
8.  Comment
9.  Document
10. DocumentType
11. DocumentFragment
12. Notation 
*/

Popularity 9/10 Helpfulness 3/10 Language javascript

Source: Grepper

Tags: dom-traversal do

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Contributed on Dec 16 2022

Muhammad Owais

0 Answers Avg Quality 2/10

javascript traversing

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Traversing means "move through", are used to "find" (or select) HTML elements based on their relation to other elements. Start with one selection and move through that selection until you reach the elements you desire.

By using 

Closest
const closestElement = targetElement.closest(selector);

Siblings
const previous = element.previousSibling;
const next = element.nextSibling;

Children
const container = document.querySelector('#container');
const children = container.childNodes;

Parent
const current = document.querySelector('#main');
const parent = current.parentNode;

Popularity 9/10 Helpfulness 3/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Jul 25 2022

Rajbits

0 Answers Avg Quality 2/10

javascript dom traversing

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